From: Paolo Bonzini <pbonzini@redhat.com>
To: "Michael S. Tsirkin" <mst@redhat.com>, Gerd Hoffmann <kraxel@redhat.com>
Cc: virtio-dev@lists.oasis-open.org, qemu-devel@nongnu.org,
virtualization@lists.linux-foundation.org
Subject: Re: [PATCH 0/1] Add virtio-input driver.
Date: Thu, 19 Mar 2015 18:05:16 +0100 [thread overview]
Message-ID: <550B01CC.9030602@redhat.com> (raw)
In-Reply-To: <20150319164311-mutt-send-email-mst@redhat.com>
On 19/03/2015 17:33, Michael S. Tsirkin wrote:
> On Thu, Mar 19, 2015 at 03:46:44PM +0100, Gerd Hoffmann wrote:
>> Latest. As far I know there never ever have been incompatible changes
>> to the interface, and given this is userspace/kernel abi I don't expect
>> that to happen in the future.
>
> More events are added though, are they not? And distros backport rundom
> subsets.
> So I worry: what happens e.g. if you migrate between hosts which expose
> slightly different subsets of events?
> Might e.g. a button get stuck because button-press event was
> sent but button-release wasn't?
I think this is the same as SCSI. You can migrate between hosts which
expose slightly different command sets.
Paolo
WARNING: multiple messages have this Message-ID (diff)
From: Paolo Bonzini <pbonzini@redhat.com>
To: "Michael S. Tsirkin" <mst@redhat.com>, Gerd Hoffmann <kraxel@redhat.com>
Cc: virtio-dev@lists.oasis-open.org, qemu-devel@nongnu.org,
virtualization@lists.linux-foundation.org
Subject: Re: [Qemu-devel] [PATCH 0/1] Add virtio-input driver.
Date: Thu, 19 Mar 2015 18:05:16 +0100 [thread overview]
Message-ID: <550B01CC.9030602@redhat.com> (raw)
In-Reply-To: <20150319164311-mutt-send-email-mst@redhat.com>
On 19/03/2015 17:33, Michael S. Tsirkin wrote:
> On Thu, Mar 19, 2015 at 03:46:44PM +0100, Gerd Hoffmann wrote:
>> Latest. As far I know there never ever have been incompatible changes
>> to the interface, and given this is userspace/kernel abi I don't expect
>> that to happen in the future.
>
> More events are added though, are they not? And distros backport rundom
> subsets.
> So I worry: what happens e.g. if you migrate between hosts which expose
> slightly different subsets of events?
> Might e.g. a button get stuck because button-press event was
> sent but button-release wasn't?
I think this is the same as SCSI. You can migrate between hosts which
expose slightly different command sets.
Paolo
next prev parent reply other threads:[~2015-03-19 17:05 UTC|newest]
Thread overview: 61+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1426756391-26585-1-git-send-email-kraxel@redhat.com>
2015-03-19 9:13 ` [PATCH 1/1] Add virtio-input driver Gerd Hoffmann
[not found] ` <1426756391-26585-1-git-send-email-kraxel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-03-19 9:13 ` Gerd Hoffmann
2015-03-19 9:13 ` Gerd Hoffmann
2015-03-19 12:27 ` Michael S. Tsirkin
[not found] ` <1426756391-26585-2-git-send-email-kraxel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-03-19 12:27 ` Michael S. Tsirkin
2015-03-19 12:27 ` Michael S. Tsirkin
2015-03-20 10:28 ` Gerd Hoffmann
2015-03-20 10:28 ` Gerd Hoffmann
2015-03-21 22:22 ` Michael S. Tsirkin
2015-03-21 22:22 ` Michael S. Tsirkin
2015-03-23 7:53 ` Gerd Hoffmann
2015-03-23 7:53 ` Gerd Hoffmann
2015-03-23 11:52 ` [virtio-dev] " Paolo Bonzini
2015-03-23 13:44 ` Gerd Hoffmann
2015-03-23 13:44 ` Gerd Hoffmann
2015-03-23 13:51 ` Michael S. Tsirkin
2015-03-23 13:51 ` Michael S. Tsirkin
2015-03-23 14:27 ` Gerd Hoffmann
2015-03-23 14:27 ` Gerd Hoffmann
[not found] ` <1427120855.27137.55.camel-3OfP5uLMi4C46o+2HkPkLj4oCIwMql/M@public.gmane.org>
2015-03-23 14:54 ` Michael S. Tsirkin
2015-03-23 14:54 ` Michael S. Tsirkin
2015-03-23 15:05 ` Gerd Hoffmann
2015-03-23 15:05 ` Gerd Hoffmann
2015-03-23 16:17 ` Cornelia Huck
[not found] ` <1427123129.27137.62.camel-3OfP5uLMi4C46o+2HkPkLj4oCIwMql/M@public.gmane.org>
2015-03-23 16:17 ` Cornelia Huck
2015-03-23 16:17 ` Cornelia Huck
2015-03-23 18:20 ` Michael S. Tsirkin
2015-03-23 18:20 ` Michael S. Tsirkin
2015-03-23 14:54 ` Michael S. Tsirkin
2015-03-19 12:29 ` David Herrmann
2015-03-19 12:29 ` David Herrmann
[not found] ` <CANq1E4TDj4pq3J_BVc=Yuzo5dVR=QcNexVUqaqwjg7Qi5_xX4Q-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-03-19 16:27 ` Dmitry Torokhov
2015-03-19 16:27 ` Dmitry Torokhov
2015-03-19 17:16 ` David Herrmann
2015-03-19 17:16 ` David Herrmann
2015-03-20 9:54 ` Gerd Hoffmann
2015-03-20 9:54 ` Gerd Hoffmann
2015-03-20 9:48 ` Gerd Hoffmann
2015-03-20 9:48 ` Gerd Hoffmann
2015-03-20 9:55 ` David Herrmann
[not found] ` <1426844885.32097.36.camel-3OfP5uLMi4C46o+2HkPkLj4oCIwMql/M@public.gmane.org>
2015-03-20 9:55 ` David Herrmann
2015-03-20 9:55 ` David Herrmann
2015-03-20 10:36 ` Gerd Hoffmann
[not found] ` <CANq1E4QLPSK6NVeEx6yihYPdF-XPpXx4rKv0deHwX+s2RzFHCg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-03-20 10:36 ` Gerd Hoffmann
2015-03-20 10:36 ` Gerd Hoffmann
[not found] ` <1426847799.32097.66.camel-3OfP5uLMi4C46o+2HkPkLj4oCIwMql/M@public.gmane.org>
2015-03-20 10:43 ` David Herrmann
2015-03-20 10:43 ` David Herrmann
2015-03-20 10:43 ` David Herrmann
2015-03-19 16:27 ` Dmitry Torokhov
2015-03-20 9:48 ` Gerd Hoffmann
2015-03-19 13:35 ` [Qemu-devel] [PATCH 0/1] " Michael S. Tsirkin
2015-03-19 14:46 ` Gerd Hoffmann
2015-03-19 14:46 ` [Qemu-devel] " Gerd Hoffmann
2015-03-19 16:33 ` Michael S. Tsirkin
2015-03-19 16:33 ` [Qemu-devel] " Michael S. Tsirkin
2015-03-19 17:05 ` Paolo Bonzini [this message]
2015-03-19 17:05 ` Paolo Bonzini
2015-03-19 16:46 ` Michael S. Tsirkin
2015-03-19 16:46 ` [Qemu-devel] " Michael S. Tsirkin
2015-03-19 13:35 ` Michael S. Tsirkin
2015-03-19 9:13 Gerd Hoffmann
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